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Posts by
EarthSky Voices
What’s causing Florida’s algae crisis? 5 questions answered
Red tides and a blue-green algae outbreak are fouling hundreds of miles of coast, killing fish and driving tourists from beaches. Some causes are natural, but human actions also play a role.
August 15, 2018
The unique elephant brain
Today is World Elephant Day. Here's a look at how unique brain structures - different from those of any other mammal - are responsible for elephants' special abilities in learning and memory.
August 12, 2018
How NASA will shield solar probe from crazy heat
The Parker Solar Probe, expected to launch Saturday, will get closer to the sun than any spacecraft in human history. How will the spacecraft withstand the heat?
August 10, 2018
Think sharks are coolest ocean predators? Consider mantis shrimps
Do sharks have bullet-like strikes? Do they have super-vision? Can they take down prey in milliseconds? Mantis shrimps have these abilities - and more - to make them among the world’s most impressive predators.
August 6, 2018
Wolf-Rayets are hot, massive, bright stars
Wolf-Rayet stars make our sun look tiny. They can be hundreds of times more massive, millions of times brighter, and tens of thousands of degrees hotter.
August 3, 2018
Why wildfires are bigger and harder to control
It's a perfect storm of factors - including climate change, development, past forest management policies and current firefighting practices, says forestry expert.
August 2, 2018
Dust in space: 10 cool things to know
In space, dust comes from comets and exploding stars. It can form planetary rings, drive global weather patterns and even form the seeds of new planets.
August 1, 2018
20 years of tracking Near-Earth Objects
Asteroid on a collision course with Earth? These astronomers will likely see it first. NASA's Center for Near-Earth Object Studies - now entering its 3rd decade - makes over 90 percent of near-Earth asteroid and comet discoveries. Here's how and why they do their work.
July 31, 2018
Which lizards can outlast a hurricane?
In the wake of hurricanes Irma and Maria, researchers document how catastrophic storms can be agents of natural selection, influencing how species evolve.
July 31, 2018
12 shark facts that might surprise you
#5 If you flip a shark over, it goes into a trance.
July 30, 2018
